68117793 has 16 divisors (see below), whose sum is σ = 101229120. Its totient is φ = 40490496.

The previous prime is 68117779. The next prime is 68117813. The reversal of 68117793 is 39771186.

It is not a de Polignac number, because 68117793 - 2⁶ = 68117729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68117713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34180 + ... + 36117.

It is an arithmetic number, because the mean of its divisors is an integer number (6326820).

Almost surely, 2^68117793 is an apocalyptic number.

It is an amenable number.

68117793 is a deficient number, since it is larger than the sum of its proper divisors (33111327).

68117793 is a wasteful number, since it uses less digits than its factorization.

68117793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70336.

The product of its digits is 63504, while the sum is 42.

The square root of 68117793 is about 8253.3504105908. The cubic root of 68117793 is about 408.4010558044.

The spelling of 68117793 in words is "sixty-eight million, one hundred seventeen thousand, seven hundred ninety-three".